diff options
Diffstat (limited to 'drivers/gpu/drm/drm_of.c')
| -rw-r--r-- | drivers/gpu/drm/drm_of.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c index bc98bb94264d..47848ed8ca48 100644 --- a/drivers/gpu/drm/drm_of.c +++ b/drivers/gpu/drm/drm_of.c @@ -6,6 +6,11 @@ #include <drm/drm_crtc.h> #include <drm/drm_of.h> +static void drm_release_of(struct device *dev, void *data) +{ + of_node_put(data); +} + /** * drm_crtc_port_mask - find the mask of a registered CRTC by port OF node * @dev: DRM device @@ -64,6 +69,24 @@ uint32_t drm_of_find_possible_crtcs(struct drm_device *dev, EXPORT_SYMBOL(drm_of_find_possible_crtcs); /** + * drm_of_component_match_add - Add a component helper OF node match rule + * @master: master device + * @matchptr: component match pointer + * @compare: compare function used for matching component + * @node: of_node + */ +void drm_of_component_match_add(struct device *master, + struct component_match **matchptr, + int (*compare)(struct device *, void *), + struct device_node *node) +{ + of_node_get(node); + component_match_add_release(master, matchptr, drm_release_of, + compare, node); +} +EXPORT_SYMBOL_GPL(drm_of_component_match_add); + +/** * drm_of_component_probe - Generic probe function for a component based master * @dev: master device containing the OF node * @compare_of: compare function used for matching components @@ -101,7 +124,7 @@ int drm_of_component_probe(struct device *dev, continue; } - component_match_add(dev, &match, compare_of, port); + drm_of_component_match_add(dev, &match, compare_of, port); of_node_put(port); } @@ -140,7 +163,8 @@ int drm_of_component_probe(struct device *dev, continue; } - component_match_add(dev, &match, compare_of, remote); + drm_of_component_match_add(dev, &match, compare_of, + remote); of_node_put(remote); } of_node_put(port); |